Ключевые слова:
Protective clothing, Headwear, Helmets (protective), Horse-riders helmets, Sports clothing, Sports equipment, Equestrian equipment, Outdoor sports equipment, Product specification, Product design, Assembling, Performance, Sampling methods, Marking, Instructions for use, Impact testing, Test equipment, Penetration tests, Safety devices, Strength of materials, Life (durability), Stability, Mechanical testing, Deformation, Test specimens, Testing conditions